Finding the Fourth Proportional to 2,273.43, 3,139.16 and 1,477.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,273.43 : 3,139.16 = 1,477.15 : x
2. Step 2: Convert to fraction form
   2,273.43/3,139.16 = 1,477.15/x
3. Step 3: Cross multiply
   2,273.43x = 3,139.16 × 1,477.15
4. Step 4: Simplify right side
   2,273.43x = 4,637,012.62
5. Step 5: Solve for x
   x = 4,637,012.62/2,273.43
6. Step 6: Final answer
   x = 2,039.65